/*
 * DynamicReports - Free Java reporting library for creating reports dynamically
 *
 * Copyright (C) 2010 - 2018 Ricardo Mariaca and the Dynamic Reports Contributors
 *
 * This file is part of DynamicReports.
 *
 * DynamicReports is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * DynamicReports is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with DynamicReports. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.dynamicreports.examples.genericelement.openflashchart;

import net.sf.dynamicreports.examples.Templates;
import net.sf.dynamicreports.jasper.builder.export.JasperHtmlExporterBuilder;
import net.sf.dynamicreports.report.base.AbstractScriptlet;
import net.sf.dynamicreports.report.builder.component.GenericElementBuilder;
import net.sf.dynamicreports.report.datasource.DRDataSource;
import net.sf.dynamicreports.report.definition.ReportParameters;
import net.sf.dynamicreports.report.exception.DRException;
import net.sf.jasperreports.engine.JRDataSource;

import java.math.BigDecimal;

import static net.sf.dynamicreports.report.builder.DynamicReports.cmp;
import static net.sf.dynamicreports.report.builder.DynamicReports.col;
import static net.sf.dynamicreports.report.builder.DynamicReports.export;
import static net.sf.dynamicreports.report.builder.DynamicReports.report;
import static net.sf.dynamicreports.report.builder.DynamicReports.type;

/**
 * <p>OpenFlashChartReport class.</p>
 *
 * Please ensure you have write-access before running this example
 *
 * @author Ricardo Mariaca
 * 
 */
public class OpenFlashChartReport {
    private PieChart pieChart1;
    private PieChart pieChart2;

    /**
     * <p>Constructor for OpenFlashChartReport.</p>
     */
    public OpenFlashChartReport() {
        build();
    }

    /**
     * <p>main.</p>
     *
     * @param args an array of {@link java.lang.String} objects.
     */
    public static void main(String[] args) {
        new OpenFlashChartReport();
    }

    private void build() {
        pieChart1 = new PieChart();
        pieChart1.setTitle("Quantity");
        GenericElementBuilder chart1 = cmp.genericElement("http://www.dynamicreports.org/openflashchart", "openflashchart").setHeight(200).addParameter(PieChart.PARAMETER_CHART_GENERATOR, pieChart1);

        pieChart2 = new PieChart();
        pieChart2.setTitle("Unit price");
        GenericElementBuilder chart2 = cmp.genericElement("http://www.dynamicreports.org/openflashchart", "openflashchart").setHeight(200).addParameter(PieChart.PARAMETER_CHART_GENERATOR, pieChart2);

        try {
            JasperHtmlExporterBuilder htmlExporter = export.htmlExporter("c:/report.html").setImagesDirName("c:/images").setOutputImagesToDir(true);

            report().setTemplate(Templates.reportTemplate)
                    .scriptlets(new ReportScriptlet())
                    .columns(col.column("Item", "item", type.stringType()), col.column("Quantity", "quantity", type.integerType()), col.column("Unit price", "unitprice", type.bigDecimalType()))
                    .title(Templates.createTitleComponent("OpenFlashChart"))
                    .summary(cmp.horizontalList(chart1, chart2))
                    .setDataSource(createDataSource())
                    .toHtml(htmlExporter);
        } catch (DRException e) {
            e.printStackTrace();
        }
    }

    /**
     * <p>createDataSource.</p>
     *
     * @return a {@link net.sf.jasperreports.engine.JRDataSource} object.
     */
    protected JRDataSource createDataSource() {
        DRDataSource dataSource = new DRDataSource("item", "quantity", "unitprice");
        dataSource.add("Book", 60, BigDecimal.valueOf(150));
        dataSource.add("Camera", 40, BigDecimal.valueOf(400));
        dataSource.add("PDA", 50, BigDecimal.valueOf(250));
        return dataSource;
    }

    private class ReportScriptlet extends AbstractScriptlet {

        @Override
        public void afterDetailEval(ReportParameters reportParameters) {
            super.afterDetailEval(reportParameters);
            String item = reportParameters.getValue("item");
            Integer quantity = reportParameters.getValue("quantity");
            BigDecimal unitPrice = reportParameters.getValue("unitprice");
            pieChart1.addValue(item, quantity);
            pieChart2.addValue(item, unitPrice);
        }
    }
}
